BARKSDALE PRESSURE SWITCH E1H-H250-P7 PRICE 250 EURO

Price: 250,00 250
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Description

BARKSDALE PRESSURE SWITCH E1H-H250-P7 PRICE 250 EURO

Barksdale E1H-H250-P7 Pressure Switch

The Barksdale E1H-H250-P7 is a mechanical piston pressure switch with diaphragm seal, ideal for industrial applications, especially in pressure and vacuum control. This model, highly sought after even as a used one, stands out for its robustness and reliability in the most demanding applications.

Technical Characteristics

  • Adjustment Range : This pressure switch can be adjusted to handle pressures from -0.28 to -0.9 bar (vacuum) and from 0.1 to 34 bar, making it versatile for a wide range of applications.
  • Process Wetted Materials : Wetted parts include NBR diaphragm, with options for FKM, PTFE, EPDM and CR. The process connection is anodized aluminum, with options of brass, polysulfone, or nickel-plated aluminum.
  • Repeatability : ±2% at constant temperature, ensuring precision in pressure control.
  • Temperature Range : The pressure switch works effectively in a temperature range from -30°C to +70°C.
  • Protection : IP65 protection class, which guarantees resistance to dust and splashes of water.
  • Process Connections : Available with 1/4" NPT female threaded connections, with options for 1/8" NPT female, 1/2" NPT male, and G1/4 female.
  • Electrical Connections : Screw terminals with M20x1.5 mm cable gland, allowing secure and easy to install connections.
  • Weight : About 0.7kg, lightweight and easy to assemble.

Components and Structure

The Barksdale E1H-H250-P7 pressure switch is mainly composed of an anodized aluminum body and a polycarbonate top cover, which ensure a sturdy construction. The diaphragm-sealed piston is the heart of the pressure sensing mechanism, which transforms pressure changes into a mechanical signal that activates or deactivates an electrical contact.

Usage Procedure

Using the Barksdale E1H-H250-P7 is simple and safe:

  1. Set Point adjustment : To adjust the activation point of the pressure switch, simply turn the adjustment screw clockwise to increase the activation pressure and anticlockwise to decrease it.
  2. Installation : Connect the pressure switch to the process line via the available threaded connections. Make sure gaskets are properly installed to avoid leaks.
  3. Electrical Connection : Connect the pressure switch terminals to the control circuit according to the required specifications, using the cable gland for a secure connection.

Compatible Accessories

  • Gold Contacts : For intrinsically safe applications, you can opt for gold contacts, which improve corrosion resistance.
  • T-connectors : For installations requiring multiple pressure point connections.
  • Protective Cases : For further protection against external agents in particularly harsh environments.

Formulas for Calculating Optimal Parameters

  • Calculation of Maximum Pressure : Use the formula Pmax=F/AP_{max} = F/A , where FF is the force applied on the piston and AA is the cross-sectional area of ​​the piston .
  • Repeatability Verification : To maintain consistent accuracy, monitor the repeatability of the pressure switch with respect to temperature variation.

Maintenance and Evaluation of a Good Used Vehicle

  • Maintenance : Regular cleaning of process connections and visual inspection of the diaphragm seal. Replace any damaged components immediately.
  • Evaluation of Used Equipment : Check the integrity of the body and connections, the absence of corrosion and the reliability of the response of the electrical contact. A pressure switch in good condition will maintain repeatability and operating parameters without significant changes.

Application Sectors

The Barksdale E1H-H250-P7 is commonly used in machine and tool engineering, dosing systems, plant design and sprinkler system control. Its robust design and intrinsically safe features make it particularly suitable for demanding industrial environments

 

Specific details

Continent Europe
Nation Italy
Veneto region
Province of Venice

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